Aerogel:
Gas + Solid
Lightest solid ever
Strongest per kg
used in NASA to collect star dust
It is most common made by aluminium oxide
external image 220px-Aerogel_matches.jpg external image 2-470-27984.jpg
external image Essential_Elements.gif



Student Task One - The eye and vision
How do the structures in our eye process light to make images that we can see?

Watch and take the quiz

ยจ http://www.brainpop.com/health/bodysystems/eyes/
Use this resource to help you answer the following questions on your student page

click here

Make a new heading - 'Can you trust your senses?' on your student page.
1. Where does the most bending of the light occur in the eye?
2. Describe how the lens works
3. Why do we squint when exposed to bright light?
4. Which parts of the eye are involved in focusing?
5. Discuss the implications of losing one eye?




10/10 Bpop quiz